Monday

April 21, 2014

April 21, 2014

Posted by **Darla** on Saturday, April 28, 2012 at 9:41pm.

(a) What is the particle's displacement at t = 1.1 s?

(b) What is the particle's velocity at t = 1.1 s?

(c) What is the particle's acceleration at t = 1.1 s?

- physics -
**Elena**, Sunday, April 29, 2012 at 9:02amremember !! 0.8 rad

y = 10•sin 0.8t = 10•sin 0.8•1.1 =7.7 cm

y`= 10•0.8•cos0.8•1.1 =5.1 cm/s,

y`` = 10• (0.8)^2• sin 0.8•1.1 =

= 4.9 cm/s^2

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